A standard earring post gauge is 20G, and they are available in butterfly push-back or ball-back.ġ8 gauge (1mm): The 18G is the most common size for cartilage as well as higher lobes. The most common gauge sizes for ear piercings are 20G (0.8mm), 18G (1mm), and 16G (1.2mm).Ģ0 gauge (0.8mm): Most people start with the thinner 20G post gauge especially for earlobe piercings. Different post gauges are chosen for various reasons - from location on the body to the initial piercing size your body is pierced with. The thicker post gauge can be used to stretch your piercing hole further.

It supports the front charm and controls the diameter of the piercing. The post gauge is the thickness of the post bar that fits through the hole. Rook: Curved Bar: 6mm | Hoop Inner Diameter: 5-6mm Helix: Standard: 6mm | Thin Ear: 5mm | Thick Ear: 7-8mmĬonch: Standard: 6mm | Thick Ear: 8mm | Hoop Inner Diameter: 10-12mm Lobe/Second Lobe: Standard: 6mm | Thin Ear: 5mm | Thick Ear: 7-8mm The post length refers to the diameter for circular piercings such as horseshoes, and the vertical length of a curved barbell. The suitable length of the post depends on the placement of the piercing.Ī shorter post is ideal for helix, tragus, conch (for flat-back and barbell) piercings, as well as the earlobes while longer posts are suitable for industrial piercings or those with thicker earlobes. The post length is the wearable length of the earring and refers to the distance between the charm and the back ball (excluding the front charm and the backing ball/disc). Please note that there may be individual differences depending on your ear anatomy. **The size guideline is for reference only. That’s why we’ve put together the ultimate piercing size guide to cut through the technical terms and make things clearer. There are a variety of factors to play with, from post gauges to lengths and different kinds of back types. If you’re new to piercings, finding the right information on different types of piercings and piercing sizes can feel like a challenge.

Mm chart actual size